245685844

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{865091}}^1$

素因数の和:865166

約数の個数: 12

約数和(自身を含む): 436006368

約数和(自身を除く): 190320524

約数列:

[1, 2, 4, 71, 142, 284, 865091, 1730182, 3460364, 61421461, 122842922, 245685844]

約数ペア:

[(1, 245685844), (2, 122842922), (4, 61421461), (71, 3460364), (142, 1730182), (284, 865091)]